公开(公告)号：US09344164B2

公开(公告)日：2016-05-17

申请号：US14424035

申请日：2013-08-27

Applicant: China Academy of Telecommunications Technology

Inventor： Meifang Jing ,  Xin Su ,  Rakesh Tamrakar

IPC: H04L1/02 ,  H04L27/28 ,  H04B7/04 ,  H04B7/06

CPC classification number: H04B7/0417 ,  H04B7/0456 ,  H04B7/0469 ,  H04B7/0478 ,  H04B7/065 ,  H04B7/0652

Abstract: The embodiments of the disclosure relate to the technical field of wireless communications, and particularly relate to a method, a system and a device for feeding back and receiving a Pre-coding Matrix Indicator (PMI), which is used for feeding back a vertical dimension PMI. The method for feeding back the PMI provided by the embodiments of the disclosure comprises: confirming the PMI needed to be fed back, wherein the PMI comprises a horizontal dimension PMI and a vertical dimension PMI, or a PMI combined by horizontal dimension and vertical dimension (801); feeding back the confirmed PMI in a non periodic Channel State Information (CSI) feedback mode or a periodic CSI feedback mode (802). Since the capability of feeding back the vertical dimension PMI, dynamic 3D beam shaping technology can be implemented and the throughput of the user equipments in the edge of cell and the average throughput can be improved.

Abstract translation: 本公开的实施例涉及无线通信的技术领域，特别涉及用于反馈和接收预编码矩阵指示符（PMI）的方法，系统和设备，其用于反馈垂直维度 PMI。 用于反馈由本公开的实施例提供的PMI的方法包括：确认需要反馈的PMI，其中PMI包括水平尺寸PMI和垂直维度PMI或由水平尺寸和垂直尺寸组合的PMI（ 801）; 在非周期性信道状态信息（CSI）反馈模式或周期性CSI反馈模式（802）中反馈确认的PMI。 由于反馈垂直尺寸PMI的能力，可以实现动态3D波束整形技术，可以提高单元边缘用户设备的吞吐量和平均吞吐量。

公开(公告)号：US20140307691A1

公开(公告)日：2014-10-16

申请号：US14356140

申请日：2012-09-21

Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY

Inventor： Ranran Zhang ,  Xin Su ,  Jing Xu ,  Meifang Jing ,  Rui Zhao

IPC: H04L5/00

CPC classification number: H04L5/0007 ,  H04B7/068 ,  H04B7/12 ,  H04L1/0606 ,  H04L1/0618 ,  H04L5/0051

Abstract: Embodiments of the present application relate to the technical field of wireless communications, and particularly to an information transmission method, system, and device, used for implement transmission, within an OFDM symbol comprising a UERS, in a sending diversity manner. The information transmission method of the embodiment of the present invention comprises: a network-side device determining an OFDM symbol comprising a UERS; and within the OFDM symbol comprising the UERS, the network-side device sending information in a sending diversity manner by freeing up an available RE or adjusting the sending diversity manner. In the embodiments of the present application, the information can be transmitted in the OFDM symbol comprising the UERS in a sending diversity manner by freeing up a part of available REs or by adjusting the sending diversity manner, thereby improving the utilization ratio of resources.

Abstract translation: 本发明的实施例涉及无线通信的技术领域，特别是涉及用于实现传输的信息传输方法，系统和设备，其包括以发送分集方式包括UERS的OFDM符号。 本发明实施例的信息传输方法包括：确定包括UERS的OFDM符号的网络侧设备; 并且在包括UERS的OFDM符号内，网络侧设备以发送分集方式发送信息，通过释放可用的RE或调整发送分集方式。 在本申请的实施例中，可以通过释放可用RE的一部分或通过调整发送分集方式，以发送分集方式在包括UERS的OFDM符号中发送信息，从而提高资源的利用率。

公开(公告)号：US09775061B2

公开(公告)日：2017-09-26

申请号：US14761303

申请日：2014-01-21

Applicant: China Academy of Telecommunications Technology

Inventor： Ruiping Wei ,  Meifang Jing ,  Xin Su

IPC: H04B7/06 ,  H04W24/08 ,  H04B7/0456 ,  H04B17/373 ,  H04W72/08 ,  H04W72/04 ,  H04W72/00

CPC classification number: H04W24/08 ,  H04B7/0456 ,  H04B17/373 ,  H04W72/00 ,  H04W72/044 ,  H04W72/08

Abstract: Provided are a method and device for three-dimensional channel measurement resource configuration and quality measurement, which relate to the field of wireless communications and are used for solving the problem of how to perform three-dimensional channel quality measurement. In the present invention, a base station selects a channel quality measurement resource used for three-dimensional channel measurement from channel quality measurement resources preconfigured for a terminal, and sends indication information about the selected channel quality measurement resource to the terminal; the terminal receives the indication information, and performs three-dimensional channel quality measurement on corresponding channel quality measurement resources, thereby solving the problem of how to perform three-dimensional channel quality measurement.

公开(公告)号：US20150222335A1

公开(公告)日：2015-08-06

申请号：US14424035

申请日：2013-08-27

Applicant: China Academy of Telecommunications Technology

Inventor： Meifang Jing ,  Xin Su ,  Rakesh Tamrakar

IPC: H04B7/04

CPC classification number: H04B7/0417 ,  H04B7/0456 ,  H04B7/0469 ,  H04B7/0478 ,  H04B7/065 ,  H04B7/0652

Abstract: The embodiments of the disclosure relate to the technical field of wireless communications, and particularly relate to a method, a system and a device for feeding back and receiving a Pre-coding Matrix Indicator (PMI), which is used for feeding back a vertical dimension PMI. The method for feeding back the PMI provided by the embodiments of the disclosure comprises: confirming the PMI needed to be fed back, wherein the PMI comprises a horizontal dimension PMI and a vertical dimension PMI, or a PMI combined by horizontal dimension and vertical dimension (801); feeding back the confirmed PMI in a non periodic Channel State Information (CSI) feedback mode or a periodic CSI feedback mode (802). Since the capability of feeding back the vertical dimension PMI, dynamic 3D beam shaping technology can be implemented and the throughput of the user equipments in the edge of cell and the average throughput can be improved.

Abstract translation: 本公开的实施例涉及无线通信的技术领域，特别涉及用于反馈和接收预编码矩阵指示符（PMI）的方法，系统和设备，其用于反馈垂直维度 PMI。 用于反馈由本公开的实施例提供的PMI的方法包括：确认需要反馈的PMI，其中PMI包括水平尺寸PMI和垂直维度PMI或由水平尺寸和垂直尺寸组合的PMI（ 801）; 在非周期性信道状态信息（CSI）反馈模式或周期性CSI反馈模式（802）中反馈确认的PMI。 由于反馈垂直尺寸PMI的能力，可以实现动态3D波束整形技术，可以提高单元边缘用户设备的吞吐量和平均吞吐量。

公开(公告)号：US09774375B2

公开(公告)日：2017-09-26

申请号：US14779015

申请日：2014-03-21

Applicant: China Academy of Telecommunications Technology

Inventor： Qiubin Gao ,  Meifang Jing

IPC: H04B1/38 ,  H04L5/16 ,  H04B7/0456 ,  H04B7/06

CPC classification number: H04B7/0456 ,  H04B7/0639

Abstract: A method, system, and device for determining a pre-coding matrix that can be used to determine an integral pre-coding matrix. The method of the embodiments of the present invention comprises: a user device determines a third pre-coding matrix according to a first pre-coding matrix and a second pre-coding matrix; an integral pre-coding matrix is determined according to the determined third pre-coding matrix, the integral pre-coding matrix being a sub-matrix of the third pre-coding matrix; integral pre-coding matrix information is determined according to the integral pre-coding matrix, and is transmitted to the network device. Because the user device determines that the integral pre-coding matrix is a sub-matrix of the third pre-coding matrix, which is determined according to the first pre-coding matrix and the second pre-coding matrix, the integral matrix code can be determined, thereby enhancing data transmission efficiency and system performance.

公开(公告)号：US09660779B2

公开(公告)日：2017-05-23

申请号：US14424433

申请日：2013-08-29

Applicant: China Academy of Telecommunications Technology

Inventor： Meifang Jing ,  Xin Su ,  Rakesh Tamrakar ,  Qiubin Gao

IPC: H04L5/00 ,  H04L25/02 ,  H04B7/06 ,  H04W16/28 ,  H04W72/04

CPC classification number: H04L5/0048 ,  H04B7/0617 ,  H04B7/0684 ,  H04L5/0023 ,  H04L5/005 ,  H04L5/0051 ,  H04L25/0204 ,  H04W16/28 ,  H04W72/0446

Abstract: The present invention relates to the technical field of radio communications, and specifically relates to a method, device, and system for transmitting a reference signal, for use in solving the problem in the prior art that vertical-dimension channel estimation cannot be supported and thus 3D beamforming is not supported. The method of embodiments of the present invention comprises: a network side determines a subframe (31) used for bearing the reference signal, determines a pilot frequency port (32) of the reference signal, and transmits in the determined subframe the reference signal configured in the pilot frequency port, where all of the pilot frequency ports comprise at least one row of horizontal-dimension pilot frequency ports and one column of vertical-dimension pilot frequency ports, the reference signal configured in the horizontal-dimension pilot frequency ports is a horizontal-dimension reference signal, and the reference signal configured on the vertical-dimension pilot frequency ports is a vertical-dimension reference signal (33). Because the embodiments of the present invention are capable of transmitting the vertical-dimension reference signal, implementation of channel estimation on the vertical-dimension pilot frequency ports is allowed, and implementation of a dynamic 3D beamforming technology is allowed.

公开(公告)号：US20150280875A1

公开(公告)日：2015-10-01

申请号：US14424433

申请日：2013-08-29

Applicant: China Academy of Telecommunications Technology

Inventor： Meifang Jing ,  Xin Su ,  Rakesh Tamrakar ,  Qiubin Gao

IPC: H04L5/00 ,  H04W16/28 ,  H04L25/02 ,  H04W72/04

CPC classification number: H04L5/0048 ,  H04B7/0617 ,  H04B7/0684 ,  H04L5/0023 ,  H04L5/005 ,  H04L5/0051 ,  H04L25/0204 ,  H04W16/28 ,  H04W72/0446

Abstract: The present invention relates to the technical field of radio communications, and specifically relates to a method, device, and system for transmitting a reference signal, for use in solving the problem in the prior art that vertical-dimension channel estimation cannot be supported and thus 3D beamforming is not supported. The method of embodiments of the present invention comprises: a network side determines a subframe (31) used for bearing the reference signal, determines a pilot frequency port (32) of the reference signal, and transmits in the determined subframe the reference signal configured in the pilot frequency port, where all of the pilot frequency ports comprise at least one row of horizontal-dimension pilot frequency ports and one column of vertical-dimension pilot frequency ports, the reference signal configured in the horizontal-dimension pilot frequency ports is a horizontal-dimension reference signal, and the reference signal configured on the vertical-dimension pilot frequency ports is a vertical-dimension reference signal (33). Because the embodiments of the present invention are capable of transmitting the vertical-dimension reference signal, implementation of channel estimation on the vertical-dimension pilot frequency ports is allowed, and implementation of a dynamic 3D beamforming technology is allowed.

Abstract translation: 本发明涉及无线电通信的技术领域，具体涉及用于发送参考信号的方法，装置和系统，用于解决现有技术中不能支持垂直维度信道估计的问题，因此 不支持3D波束成形。 本发明实施例的方法包括：网络侧确定用于承载参考信号的子帧（31），确定参考信号的导频频率端口（32），并在确定的子帧中发送配置在 导频频率端口，其中所有的导频频率端口包括至少一行的水平维度的导频频率端口和一列垂直维度的导频频率端口，在水平维度的导频频率端口中配置的参考信号是水平的 尺寸参考信号，并且在垂直维度导频频率端口上配置的参考信号是垂直维度参考信号（33）。 因为本发明的实施例能够发送垂直维度参考信号，所以允许在垂直维度导频频率端口上实现信道估计，并且允许动态3D波束成形技术的实现。

公开(公告)号：US20140369436A1

公开(公告)日：2014-12-18

申请号：US14357208

申请日：2012-06-29

Applicant: China Academy of Telecommunications Technology

Inventor： Ranran Zhang ,  Xin Su ,  Rakesh Tamrakar ,  Meifang Jing

IPC: H04B7/06

CPC classification number: H04B7/0639 ,  H04B7/0478 ,  H04B7/0626 ,  H04B7/063 ,  H04L5/0023 ,  H04L5/0053 ,  H04L5/0091 ,  H04L25/03929 ,  H04L25/03949

Abstract: Disclosed are a precoding matrix indicator (PMI) information transmission method and device, for realizing the feedback and receiving of PMIs. The PMI information feedback method provided in the present application server includes: UE determining the feedback of a PMI and a feedback mode used for feeding back the PMI; the UE determining a rank indicator (RI) and a precoding matrix in a compressed precoding matrix set and determining an RI and first PMI combined coding information value according to a preset RI and first PMI combined coding information value and a correlation list of RIs and codebook indices; and the UE employing the feedback mode to send the determined RI and first PMI combined coding information value to a base station.

Abstract translation: 公开了一种用于实现PMI的反馈和接收的预编码矩阵指示（PMI）信息传输方法和装置。 本申请服务器提供的PMI信息反馈方法包括：UE确定PMI的反馈和用于反馈PMI的反馈模式; UE确定压缩预编码矩阵集中的秩指示符（RI）和预编码矩阵，并且根据预设的RI和第一PMI组合编码信息值以及RI和码本的相关列表确定RI和第一PMI组合编码信息值 指数 并且UE采用反馈模式将所确定的RI和第一PMI组合编码信息值发送到基站。